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Finding the Fourth Proportional to 348,026.90, 486,187.90 and 348,026.90

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Solution

The fourth proportional to 348,026.90, 486,187.90 and 348,026.90 is: 486,187.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,026.90 : 486,187.90 = 348,026.90 : x
  2. Step 2: Convert to fraction form
    348,026.90/486,187.90 = 348,026.90/x
  3. Step 3: Cross multiply
    348,026.90x = 486,187.90 × 348,026.90
  4. Step 4: Simplify right side
    348,026.90x = 169,206,467,654.51
  5. Step 5: Solve for x
    x = 169,206,467,654.51/348,026.90
  6. Step 6: Final answer
    x = 486,187.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.